// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/browser/renderer_host/pepper/pepper_file_system_browser_host.h"

#include <memory>
#include <string>

#include "base/macros.h"
#include "content/browser/renderer_host/pepper/browser_ppapi_host_test.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/pp_resource.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace content {

class PepperFileSystemBrowserHostTest : public testing::Test,
                                        public BrowserPpapiHostTest {
public:
    PepperFileSystemBrowserHostTest() { }
    ~PepperFileSystemBrowserHostTest() override { }

    void SetUp() override
    {
        PP_Instance pp_instance = 12345;
        PP_Resource pp_resource = 67890;
        host_.reset(new PepperFileSystemBrowserHost(GetBrowserPpapiHost(),
            pp_instance,
            pp_resource,
            PP_FILESYSTEMTYPE_ISOLATED));
    }

    void TearDown() override { host_.reset(); }

protected:
    std::string GeneratePluginId(const std::string& mime_type)
    {
        return host_->GeneratePluginId(mime_type);
    }

private:
    std::unique_ptr<PepperFileSystemBrowserHost> host_;

    DISALLOW_COPY_AND_ASSIGN(PepperFileSystemBrowserHostTest);
};

TEST_F(PepperFileSystemBrowserHostTest, GeneratePluginId)
{
    // Should not contain wild card characters.
    EXPECT_TRUE(GeneratePluginId("*").empty());
    EXPECT_TRUE(GeneratePluginId("*/*").empty());

    // Should contain only one slash.
    EXPECT_TRUE(GeneratePluginId(".").empty());
    EXPECT_TRUE(GeneratePluginId("..").empty());
    EXPECT_TRUE(GeneratePluginId("application").empty());
    EXPECT_TRUE(GeneratePluginId("application/mime/type").empty());

    // Should start with "legal_top_level_types"
    // (ex. "application", "audio", "x-").  See "mime_util.cc" for more details.
    EXPECT_TRUE(GeneratePluginId("/mime").empty());
    EXPECT_TRUE(GeneratePluginId("./mime").empty());
    EXPECT_TRUE(GeneratePluginId("../mime").empty());
    EXPECT_TRUE(GeneratePluginId("app/mime").empty());

    // Should not contain characters other than alphanumeric or "._-".
    EXPECT_TRUE(GeneratePluginId("application/mime+type").empty());
    EXPECT_TRUE(GeneratePluginId("application/mime:type").empty());
    EXPECT_TRUE(GeneratePluginId("application/mime;type").empty());

    // Valid cases.
    EXPECT_EQ("application_mime", GeneratePluginId("application/mime"));
    EXPECT_EQ("x-app_mime", GeneratePluginId("x-app/mime"));
    EXPECT_EQ("application_mime.type", GeneratePluginId("application/mime.type"));
    EXPECT_EQ("application_mime_type", GeneratePluginId("application/mime_type"));
    EXPECT_EQ("application_mime-type", GeneratePluginId("application/mime-type"));
    EXPECT_EQ("application_..", GeneratePluginId("application/.."));
}

} // namespace content
